This patch fixes handling of accesses to ar.rsc via ptrace & restore_sigcontext
[With Thanks to Chris Wright for noticing the restore_sigcontext path]
Signed-off-by: NMatthew Chapman <matthewc@hp.com>
Acked-by: NDavid Mosberger <davidm@hpl.hp.com>
Signed-off-by: NTony Luck <tony.luck@intel.com>